<!DOCTYPE html>
<html lang="zh-CN">

<head>
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>注册</title>
</head>

<body>
   <h2>注册</h2>
   <hr>
   <form action="/reg" method="post">
      用户名：<input type="text" name="username"><br>
      密码：<input type="password" name="password"><br>
      <input type="submit" value="注册">
   </form>
</body>

</html>